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-rw-r--r--toys/posix/basename.c45
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diff --git a/toys/posix/basename.c b/toys/posix/basename.c
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+/* vi: set sw=4 ts=4:
+ *
+ * basename.c - Return non-directory portion of a pathname
+ *
+ * Copyright 2012 Tryn Mirell <tryn@mirell.org>
+ *
+ * See http://opengroup.org/onlinepubs/9699919799/utilities/basename.html
+
+
+USE_BASENAME(NEWTOY(basename, "<1>2", TOYFLAG_USR|TOYFLAG_BIN))
+
+config BASENAME
+ bool "basename"
+ default y
+ help
+ usage: basename string [suffix]
+
+ Return non-directory portion of a pathname removing suffix
+*/
+
+#include "toys.h"
+
+void basename_main(void)
+{
+ char *arg = toys.optargs[0], *suffix = toys.optargs[1], *base;
+
+ while ((base = strrchr(arg, '/'))) {
+ if (base == arg) break;
+ if (!base[1]) *base = 0;
+ else {
+ base++;
+ break;
+ }
+ }
+
+ if (!base) base = arg;
+
+ // chop off the suffix if provided
+ if (suffix) {
+ arg = base + strlen(base) - strlen(suffix);
+ if (arg > base && !strcmp(arg, suffix)) *arg = 0;
+ }
+
+ puts(base);
+}